Extracted string resources from split transaction dialog

Author: kosmakoff

app/res/layout/dialog_split_editor.xml

@@ -55,7 +55,7 @@ limitations under the License.
                     android:layout_height="match_parent"
                     android:textAppearance="?android:attr/textAppearanceSmall"
                     android:gravity="center_vertical"
-                    android:text="Imbalance:"/>
+                    android:text="@string/label_imbalance"/>
 
             <TextView android:id="@+id/imbalance_textview"
                       android:layout_width="0dp"
@@ -69,7 +69,7 @@ limitations under the License.
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:drawableLeft="@drawable/content_new_holo_light"
-                android:text="Add split"/>
+                android:text="@string/btn_add_split"/>
 
     </TableLayout>
 </RelativeLayout>

app/res/values/strings.xml

@@ -653,4 +653,7 @@
     <string name="summary_save_opening_balances">Enable to save the current account balance (before deleting transactions) as new opening balance after deleting transactions
     </string>
     <string name="title_save_opening_balances">Save account opening balances</string>
+    <string name="title_transaction_splits">Transaction splits</string>
+    <string name="label_imbalance">Imbalance:</string>
+    <string name="btn_add_split">Add split</string>
 </resources>

app/src/org/gnucash/android/ui/transaction/dialog/SplitEditorDialogFragment.java

@@ -101,7 +101,7 @@ public void onActivityCreated(Bundle savedInstanceState) {
         getDialog().getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT,
                 WindowManager.LayoutParams.MATCH_PARENT);
 
-        getDialog().setTitle("Transaction splits");
+        getDialog().setTitle(R.string.title_transaction_splits);
 
         initArgs();
         mSplitItemViewList = new ArrayList<View>();